Excerpts from nbcchicago.com:

A man was airlifted to a hospital with severe traumatic facial injuries late Saturday night following an accident involving a firework in Waukegan.

The incident was reported at approximately 10 p.m. at a residence in the 400 block of North County Street. The victim, a man in his 20s, sustained injuries from a mortar-type firework and was initially transported to Vista East Medical Center in Waukegan. He was later air lifted to Advocate Lutheran General Hospital in Park Ridge.